# Service difficulty reports: Boeing 727-173C

A list on [Boeing 727-173C](https://openairdocs.org/model/boeing-727-173c.md).

Newest first. General aviation reporting is voluntary.

Page 1 of 9 · 436 reports

- [SDR UPS06247400](https://openairdocs.org/sdr/UPS06247400.md): Battery · inoperative · Jul 24, 2006 · N938UP · Boeing 727173C · Emergency Lighting
  > FLIGHT DECK PORTABLE EMERGENCY LIGHT DIMS RAPIDLY AFTER EMERGENCY LIGHTS ARE TURNED ON FOR TEST. FOUND DURING PRE-DEPARTURE CHECK. THE TWO BATTERIES WERE DATED 4/96 AND 6/96. REPLACED BATTERIES, OPS OK.
- [SDR XN0A1328](https://openairdocs.org/sdr/XN0A1328.md): Control Valve · malfunctioned · May 7, 2006 · N704A · Boeing 727173C · Trailing Edge Flap Control System
  > INBOARD TRAILING EDGE FLAPS RETRACT TO 5 DEGREES AND STOP-SPLIT FLAP. REPLACED INBOARD FLAP CONTROL VALVE IAW B727 MM CHAPTER 27-51-51. OPS AND LEAK CHECKS GOOD. NO DEFECTS NOTED.
- [SDR UPS06246470](https://openairdocs.org/sdr/UPS06246470.md): Battery · inoperative · Mar 19, 2006 · N938UP · Boeing 727173C · Emergency Lighting
  > EMERGENCY EXIT LIGHT AT ENTRY (L1) INOP. INSTALLED SERVICABLE BATTERIES REF MM 33-50-67-2 AS REQUIRED. OPS CK GOOD.
- [SDR UPS06246065](https://openairdocs.org/sdr/UPS06246065.md): Stiffener · corroded · Jan 17, 2006 · N938UP · Boeing 727173C · Fuselage Miscellaneous Structure
  > INSPECTION TYPE:C&SI TRANSVERS STIFFENER AT BS 745 ABOVE BREATHER WEB AT BS 745 IN DELTA BEAM AREA FOUND CORRODED ON REMOVAL. PLEASE REMOVE CORROSION, REINSPECT AND RECTIFY IF NECESSARY. CORROSION OUTSIDE LIMITS IAW SRM 51-10-06. TO FACILITATE REMOVE OF FAS
- [SDR UPS06246069](https://openairdocs.org/sdr/UPS06246069.md): Skin · damaged · Jan 14, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:C&SI FUSELAGE SKIN DAMAGE BETWEEN BS 1148 AND 1166 AND BETWEEN S11-13 LT. REPAIR CARRIED OUT IAW MM 51-20-01 AND SRM 53-30-03.
- [SDR UPS06246068](https://openairdocs.org/sdr/UPS06246068.md): Shear Tie · damaged · Jan 14, 2006 · N938UP · Boeing 727173C · Fuselage Internal Mounting Structure
  > INSPECTION TYPE:C&SI TO AID SKIN REPAIR FUSELAGE FRAME SKIN ATTACH ANGLES AT BS 1148 AND 11 66 BETWEEN S11 AND 13 LT REQUIRED AND REPAIR IAW SRM REPAIR CARRIED OUT IAW SRM 51-30-02 AND 53-10-04 FIG 11.
- [SDR UPS06246067](https://openairdocs.org/sdr/UPS06246067.md): Web · corroded · Jan 12, 2006 · N938UP · Boeing 727173C · Fuselage Miscellaneous Structure
  > INSPECTION TYPE:C&SI AREA OF SUSPECT CORROSION ON UPPER SURFACE OF DELTA BEAM BREATHER WEB BS 745 RBL 15. CORROSION FOUND BETWEEN INTERNAL DOUBLER AND SKIN DEEMED TO BE OUT OF LIMITS IAW SRM 51-10-06. REFERENCE NRC 100831 FOR REPAIRS. WEB REPAIR CARRIED OUT
- [SDR UPS06246027](https://openairdocs.org/sdr/UPS06246027.md): Floorbeam · corroded · Jan 12, 2006 · N938UP · Boeing 727173C · Fuselage Main, Floor Beam
  > C-CHECK SI REF. NRC 100662 FLOORBEAM TOP CHORD CORROSION WAS REMOVED BS 344 AND FOUND OUTSIDE LIMITS OF SRM. REPLACE TOP CHORD SECTION RBL 80 - LBL 66. REF SRM 53-10-8 FIG 7 FLOORBEAM TOP CHORD REMOVED IAW SRM 51-30-02. NEW TOP CHORD FABRICATED IAW SRM
- [SDR UPS06246088](https://openairdocs.org/sdr/UPS06246088.md): Carriage · corroded · Jan 10, 2006 · N938UP · Boeing 727173C · Trailing Edge Flaps
  > INSPECTION TYPE:C&SI NR 7 FLAP CARRIAGE HAS CORROSION ON I/B FACE AT OB AFT LARGE BEARING HOLE, AND WEAR IN I/B AND OB FWD AND AFT SIDE BEARING BRACKETS ATTACH HOLE. REPLACE CARRIAGE ASSY NR 7 FLAP CARRIAGE ASSY ON I/B SIDE OF RT FLAP REPLACED IAW 27-51-13.
- [SDR UPS06246031](https://openairdocs.org/sdr/UPS06246031.md): Beam · corroded · Jan 10, 2006 · N938UP · Boeing 727173C · Fuselage Main, Structure
  > INSPECTION TYPE:C AND CORROSION ON UPPER OB SURFACE OF LONGITUDINAL BEAM LWR. CHORD AT BS 7 45 WIRE LOOM ATTACH ANCHOR NUT AT LBL 20. PLS REMOVE ANCHOR NUT, REMOVE CORROSION, RE-INSPECT AND RECTIFY AS NECESSARY. CORROSION IDENTIFIED AND FOUND TO BE OUTSIDE LIM
- [SDR UPS06246012](https://openairdocs.org/sdr/UPS06246012.md): Carriage · corroded · Jan 10, 2006 · N938UP · Boeing 727173C · Trailing Edge Flaps
  > C-CHECK AND SI NR 8 FLAP CARRIAGE HAS CORROSION IN SPINDLE BORE. NR 8 FLAP CARRIAGE REPLACED IAW MM 27-51-13.
- [SDR UPS06246011](https://openairdocs.org/sdr/UPS06246011.md): Carriage · corroded · Jan 10, 2006 · N938UP · Boeing 727173C · Trailing Edge Flaps
  > INSPECTION C-CHECK AND SI SEVERAL AREAS OF CORROSION ON NR 3 FLAP CARRIAGE. NR3 FLAP CARRIAGE REPLACED IAW MM 27-51-03.
- [SDR UPS06246026](https://openairdocs.org/sdr/UPS06246026.md): Stiffener · corroded · Jan 8, 2006 · N938UP · Boeing 727173C · Fuselage Miscellaneous Structure
  > C-CHECK AND SI LIGHT SURFACE CORROSION ON AFT OF 870 B/H RT ON OB STIFFENER 20 INCHES UP FROM BOTTOM EDGE B/H CORROSION REMOVED IAW SRM 51-10-6 AND FOUND TO BE OUTSIDE LIMITS SRM 5 3-10-1. REPAIR CARRIED OUT IAW SRM 51-40-4.
- [SDR UPS06246025](https://openairdocs.org/sdr/UPS06246025.md): Stiffener · corroded · Jan 8, 2006 · N938UP · Boeing 727173C · Fuselage Miscellaneous Structure
  > C-CHECK AND SI LIGHT SURFACE CORROSION ON AFT 870 LT OB STIFFENER 21 INCHES UP FROM BOTTOM EDGE OF LT. CORROSION REMOVED IAW SRM 51-10-6 AND FOUND TO BE OUTSIDE LIMITS 53-10 -1. REPAIR CARRIED OUT IAW SRM 51-40-4.
- [SDR UPS06246066](https://openairdocs.org/sdr/UPS06246066.md): Floor Support · cracked · Jan 6, 2006 · N938UP · Boeing 727173C · Fuselage Miscellaneous Structure
  > INSPECTION TYPE:C&SI FLOOR STRINGER IN FWD CARGO COMPARTMENT BETWEEN FR 620 AND FR 640 LBL 14 IS CRACKED. DAMAGED FLOOR STRINGER SECTION REMOVED IAW SRM 51-10-01. REPAIR PARTS FABRICATED IAW SRM 53-10-5 AND SRM 51-20-2 REPAIR PARTS INSTALLED AND FASTENERS IN
- [SDR UPS06246028](https://openairdocs.org/sdr/UPS06246028.md): Skin · corroded · Jan 6, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE C AND IS EVIDENCE OF CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4R AT BS 1040 AT INTERIOR AREA OF FUSELAGE. AREA DIVERTED IAW SRM 51-30-02. CORROSION REMOVED IAW SRM 51-10-01.
- [SDR UPS06246016](https://openairdocs.org/sdr/UPS06246016.md): Skin · corroded · Jan 6, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > C-CHECK AND SI EVIDENCE OF CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4 R AT BS 101 0 AT INTERIOR AREA OF FUSELAGE. AREA DERIVETED IAW SRM 51-30-02. CORROSION REMOVED IAW SRM 51-10-01.
- [SDR UPS06246014](https://openairdocs.org/sdr/UPS06246014.md): Skin · corroded · Jan 6, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION C-CHECK AND SI EVIDENCE OF SURFACE CORROSION BETWEEN FUSELAGE SKIN AND STRINGER 4R AT BS 990 AT INTERIOR AREA OF FUSELAGE. AREA DERIVATED IAW SRM 51-30-02. CORROSION REMOVED IAW SRM 51-10-01 SE E NRC 100274 FOR REPAIR DETAILS.
- [SDR UPS06246087](https://openairdocs.org/sdr/UPS06246087.md): Skin · cracked · Jan 5, 2006 · N938UP · Boeing 727173C · Nacelle/Pylon, Plate/Skin
  > INSPECTION TYPE:C&SI ENG, NR 1 PYLON SKIN CRACKED AT LEADING EDGE INBOARD SIDE. REPAIR OR REPLACE SKIN. ON REMOVAL OF NR 1 PYLON AND BULLNOSE SEAL IAW SRM 51-30-02 IT WAS NOTED THAT THE ADJACENT FUSELAGE SKIN PANEL WAS DAMAGED BETWEEN BS 1183 AND 1133 S12 RE
- [SDR UPS06246032](https://openairdocs.org/sdr/UPS06246032.md): Skin · cracked · Jan 5, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:C AND IS SUSPECT SKIN CRACK AT FASTENER HOLE SECTION 41 RT AT BS 239 S15R. PL S. CARRY OUT NDI AND RECTIFY IF NECESSARY IAW SRM HFEC INSP. CARRIED OUT IAW NDTM PT 6 51-00-00. CRACK CONFIRMED AND ENDS MARKED. REPAIR CARRIED OUT IAW SRM 53
- [SDR UPS06246030](https://openairdocs.org/sdr/UPS06246030.md): Lap Joint · corroded · Jan 5, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:C AND CORROSION EVIDENT AT LAP JOINT S4R BS 940 TO 920. PLS. CARRY OUT NDI O N LAP JOINT BS 1080 TO 870. RE-INSPECT AND RECTIFY IAW EO APPENDIX IF NECESSARY LFEC INSP. CARRIED OUT IAW NDTM PT 6 51-00-00 FIG 5 - 15 PERCENT MATERIAL LOSS INDICATI
- [SDR UPS06246029](https://openairdocs.org/sdr/UPS06246029.md): Lap Joint · corroded · Jan 5, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:C AND IS CORROSION EVIDENT AT LAP JOINT S4 RT BS 1010 TO 990. PLS. CARRY OUT N DI ON LAP JOINT BS 1080 TO 870 RE-INSPECT AND RECTIFY IAW EO APPENDIX IF NECESSARY LFEC INSP. CARRIED OUT IAW NDTM PT 6 51-00-00 FIG 5. - 15 PERCENT MATERIAL LOSS I
- [SDR UPS06246086](https://openairdocs.org/sdr/UPS06246086.md): Skin · cracked · Jan 4, 2006 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE-C AND IS SUSPECT SKIN CRACK AT UPPER FWD CORNER OF FWD ENTRY DOOR CUT OUT BETWEEN STR 7 AND 8L PLS. CARRY UT NDI AND RECTIFY AS NECESSARY IAW SRM HFEC INCP CARRIED IAW NDTM 51-00-00 PT 6 CRACK CONFIRMED ENDS MARKED. DAMAGE REMOVED IAW EO 5330-1
- [SDR XN0A1268](https://openairdocs.org/sdr/XN0A1268.md): Actuator · leaking · Sep 25, 2005 · N704A · Boeing 727173C · Leading Edge Slat Actuator
  > LOSS OF HYDRAULIC SYSTEM "A" QUANTITY TO ZERO. REMOVED AND REPLACED LT NR 3 STAT ACTUATOR LEAK AND OPS CHECK GOOD IAW MM 27-81-32.
- [SDR XNOA1233](https://openairdocs.org/sdr/XNOA1233.md): Connector · dirty · May 1, 2005 · N704A · Boeing 727173C · Engine Oil Pressure
  > NR 2 LOW OIL PRESSURE LIGHT ILLUMINATED DURING TAXI & WOULD NOT EXTINGUISH. CLEANED CONNECTOR ON NR 2 LOW OIL PRESSURE SWITCH, OPS CHECKED GOOD ON ENGINE RUN-UP IAW B727 MM 72-00.
- [SDR UPS04243607](https://openairdocs.org/sdr/UPS04243607.md): Metering Valve · malfunctioned · Dec 15, 2004 · N938UP · Boeing 727173C · Brake
  > BRAKES DO NOT SEEM TO RELEASE AFTER BRAKE APPLICATION A/C COMES TO COMPLETE STOP AND HAVE TO ADD POWER TO TAXI A/C. ALSO, SEE L/P 694861 ITEM 2 ADJUSTED LT MLG BRAKE METERING VALVE WRT 32-41-11 SYSTEM OPS CK GOOD.
- [SDR UPS04243376](https://openairdocs.org/sdr/UPS04243376.md): Oxygen Mask · inoperative · Oct 20, 2004 · N938UP · Boeing 727173C · Crew Oxygen System
  > INSPECTION TYPE:N/A, 2ND OBSERVER O2 MASK INOP. REMOVED AND REPLACED 2ND OBSERVER O2 MASK IAW 35-11-41. OPS & LEAK CHECK GOOD. PLACARD REMOVED. DEFERRAL CLOSED (M289816).
- [SDR UPS04243199](https://openairdocs.org/sdr/UPS04243199.md): Rib · corroded · Sep 17, 2004 · N938UP · Boeing 727173C · Wing, Rib/Bulkhead
  > INSPECTION TYPE: C, EXFOLIATION CORROSION FOUND ON FIXED WING L/E RIB LOWER CHORDS AT LES 236.217 AND LES 243.977. REMOVED CHORDS ON ABOVE AREA IAW SRM 51-30-02. FABRICATED AND INSTALLED CHORDS ON ABOVE AREA IAW BOEING DRAWING NR 65-16269.
- [SDR UPS04243173](https://openairdocs.org/sdr/UPS04243173.md): Access Panel · delaminated · Sep 14, 2004 · N938UP · Boeing 727173C · Wing, Plate/Skin
  > INSPECTION TYPE:C, RIGHT WING ACCESS PANEL NR 8640 DELAM ALONG EDGE AND SUSPECT CRACK ON LWR SURFACE. DAMAGED AREA CUT OUT AND REPAIRED IAW SRM 51-40-20.
- [SDR UPS04243172](https://openairdocs.org/sdr/UPS04243172.md): Panel · delaminated · Sep 14, 2004 · N938UP · Boeing 727173C · Wing, Plate/Skin
  > INSPECTION TYPE:C, RIGHT WING UPPER SURFACE T/E PANEL DELAM ON UPPER SURFACE AT I/B AFT CORNER. PANEL REPLACED IAW MM 20-80-01.
- [SDR UPS04243204](https://openairdocs.org/sdr/UPS04243204.md): Skin · corroded · Sep 13, 2004 · N938UP · Boeing 727173C · Leading Edge Devices
  > INSPECTION TYPE:C, NR 4 KRUEGER FLAP HAS CORROSION ON INNER SURFACE BELOW ACTUATOR ATTACH AREA. CORROSION REMOVED AND FOUND TO BE BEYOND LIMITS IAW SRM 57-50-01. L/ED GE KRUEGER FLAP REMOVED IAW AMM 27-81-01 STEP 2. ACTUATOR ROD END BEARING FOUND TO BE WORN
- [SDR UPS04243218](https://openairdocs.org/sdr/UPS04243218.md): Skin · corroded · Sep 10, 2004 · N938UP · Boeing 727173C · Wing, Plate/Skin
  > INSPECTION TYPE: C, AREA OF LITE SURFACE CORROSION AROUND FASTENER HEADS ON HORIZ FLANGE OF RT WING UPPER SPLICE PLATE AT BS 850. FASTENER REMOVED IAW SRM 51-30-02. CORROSION REMOVED IAW SRM 51-10-02. HFEC CARRIED OUT IN ABOVE AREA IAW B727 NDTM 51-00-00 PT
- [SDR UPS04243216](https://openairdocs.org/sdr/UPS04243216.md): Plate · corroded · Sep 10, 2004 · N938UP · Boeing 727173C · Wing Main, Frame Structure
  > INSPECTION TYPE: C, LIGHT SURFACE CORROSION AROUND FASTENER HEAD ON HORIZ FLANGE OF LT WING UPPER SPLICE PLATE AT BS 848. FASTENER REMOVED IAW SRM 51-30-02. CORROSION REMOVED IAW SRM 51-10-021. HFEC CARRIED OUT ON ABOVE AREA IAW B727 NDTM 51-00-00 PT6 FIG 4
- [SDR UPS04243211](https://openairdocs.org/sdr/UPS04243211.md): Skin · cracked · Sep 10, 2004 · N938UP · Boeing 727173C · Leading Edge Devices
  > INSPECTION TYPE: C, SUSPECT CRACK ON ANTI ICE SKIN AT I/B LOWER CORNER OF NR 3 KRUEGER FLAP. SKIN REPLACED IAW DRAWING 65-16225.
- [SDR UPS04243210](https://openairdocs.org/sdr/UPS04243210.md): Structure · corroded · Sep 10, 2004 · N938UP · Boeing 727173C · Leading Edge Devices
  > INSPECTION TYPE:C, PITTING CORROSION ON NR 3 KRUEGER FLAP BULLNOSE AT O/B LOWER MOUNT LUG. BULLNOSE REPLACED IAW OHM 57-51-21.
- [SDR UPS04243205](https://openairdocs.org/sdr/UPS04243205.md): Skin · cracked · Sep 10, 2004 · N938UP · Boeing 727173C · Leading Edge Devices
  > INSPECTION TYPE:C, SUSPECT CRACK ON NR 7 SLAT OUTER SKIN AT O/B HOOK. HFEC CARRIED OUT ON SUSPECT CRACK IAW B727 NDTM 51-00-00 PT 6 FIG 4, 3 CRACKS NOTED AND MARKED ON SLAT. CRACKS FOUND TO BE CONTAINED WITHIN RIVET HOLES.
- [SDR UPS04243238](https://openairdocs.org/sdr/UPS04243238.md): Frame · cracked · Sep 9, 2004 · N938UP · Boeing 727173C · Wing Main, Frame Structure
  > INSPECTION TYPE:C, SUSPECT CRACK ON WING CENTER SECTION AT BS 775 RBL 45 ON LOWER FLANGE. HFEC CARRIED OUT IAW NDT M 51-00-00. RESULT - CRACKS CONFIRMED. FWD SECTION OF CHORD REMOVED AT BS 740 - BS 780 RBL 45 IAW 51-30-2. CENTER SECTION CHORD FWD SECTION A
- [SDR UPS04243237](https://openairdocs.org/sdr/UPS04243237.md): Bolt · corroded · Sep 9, 2004 · N938UP · Boeing 727173C · Fasteners
  > INSPECTION TYPE: C, NR 2 ENG MOUNT FITTING RIGHT SIDE HAS ONE CORRODED ATTACH BOLT ON UPPER SURFACE OF HORIZONTAL FIRE WALL. BOLT REPLACED.
- [SDR UPS04243213](https://openairdocs.org/sdr/UPS04243213.md): Stringer · corroded · Sep 9, 2004 · N938UP · Boeing 727173C · Wing, Plate/Skin
  > INSPECTION TYPE: C, CORROSION ON WING CENTER SECTION UPPER SKIN AT STR 10C RBL 65 BS 810. CLEANED CORROSION IAW SRM 51-10-01. HFEC CARRIED OUT IAW B727-NDTM -5 1-00-00 PT6 FIG 4, NO DEFECTS FOUND. FLAP PEENING CARRIED OUT IAW SOP M 20-10-03. AREAS REPROTEC
- [SDR UPS04243212](https://openairdocs.org/sdr/UPS04243212.md): Skin · corroded · Sep 9, 2004 · N938UP · Boeing 727173C · Wing, Plate/Skin
  > INSPECTION TYPE: C, CORROSION ON WING CENTER SECTION UPPER SKIN BETWEEN STR 12-13C RBL 65 BS 795 IN THE AREA INTERFACING WITH Y FLANGE FITTING. CORROSION REMOVED IAW SRM 51-10-01. HFEC CARRIED OUT ON BLENDED AREA IAW B727 NDTM 51-00-00PT6 FIG 4, NO DEFECTS F
- [SDR UPS04243209](https://openairdocs.org/sdr/UPS04243209.md): Stringer · corroded · Sep 9, 2004 · N938UP · Boeing 727173C · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:C CORROSION ON LOWER FLANGE OF STR 18A AT BS 850 RT VAPOR SEAL REMOVED FOR ACCESS IAW MM 51-30-00. CORROSION REMOVED ON LOWER FLANGE OF STR 18A IAW SRM 51-10-02. HFEC OF ABOVE AREA CARRIED OUT IAW B727-NDTM 51-00-00 PT6 FIG 4. ALL CORROSION
- [SDR UPS04243182](https://openairdocs.org/sdr/UPS04243182.md): Stringer · corroded · Sep 9, 2004 · N938UP · Boeing 727173C · Fuselage Main, Longeron/Stringer
  > INSPECTION TYPE:C, CORROSION ON LOWER FLANGE OF STR 18A AT BS 850 LT SIDE CORROSION REMOVED IAW SRM 51-10-02. HFEC CARRIED OUT IAW B727NDTM 51- 00-00 PT 6 FIG 4, ALL CORROSION REMOVED. FLAP PEENING CARRIED OUT IAW SOPM 20-10-03.
- [SDR UPS04243177](https://openairdocs.org/sdr/UPS04243177.md): Tab · delaminated · Sep 9, 2004 · N938UP · Boeing 727173C · Elevator, Tab Structure
  > INSPECTION TYPE:C, DELAMINATION FOUND ON RIGHT ELEVATOR TAB. REPLACED RIGHT ELEVATOR TAB.
- [SDR UPS04243245](https://openairdocs.org/sdr/UPS04243245.md): Spar · corroded · Sep 8, 2004 · N938UP · Boeing 727173C · Wing Spar
  > INSPECTION TYPE:C, EVIDENCE OF INTERGRANULAR CORROSION ON REAR SPAR UPPER CHORD, RIGHT WING BETWEEN WS 290-320 APPROX. REPAIR CARRIED OUT IAW UPS EO B727-5710-17848-B APPROX C AND AAAE EO 200 4-083-004 (727-5710-21057).
- [SDR UPS04243243](https://openairdocs.org/sdr/UPS04243243.md): Skin · delaminated · Sep 8, 2004 · N938UP · Boeing 727173C · Trailing Edge Flaps
  > INSPECTION TYPE:C, DELAM ON RIGHT O/B MIDFLAP T/E WEDGE FWD FACE I/B OF NR 2 AFT FLAP TRACK. DELAM OUT OF LIMITS. MIDFLAP REPLACED IAW MM 27-51-12.
- [SDR UPS04243184](https://openairdocs.org/sdr/UPS04243184.md): Skin · deformed · Sep 8, 2004 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:C, SKIN DEFORMATION AT STR 11R BS 1342 (RT SIDE OF NR 2 ENGINE FIREWALL). CUT OUT DAMAGED SECTION OF SKIN & PREVIOUS REPAIR DOUBLER REMOVED IAW SRM 53-30-3G FIG 3A. HFEC CARRIED OUT AROUND CUTOUT AND HOLES COMMON TO REPAIR IAW BOE 727 NDT MAN
- [SDR UPS04243220](https://openairdocs.org/sdr/UPS04243220.md): Spar · corroded · Sep 8, 2004 · N938UP · Boeing 727173C · Wing Spar
  > INSPECTION TYPE:C EVIDENCE OF INTERGRANULAR CORROSION ON REAR SPAR UPPER CHORD LEFT WING AT WBL 245. HFEC CARRIED OUT IAW B727 NDTM 51-00-00 PT 6 FIG 4. CORROSION MARKED ON AIRCRAFT. REPAIR OF AREA CARRIED OUT IAW EO B727-5710-17848 APPENDIX C AND AAAE EO 2
- [SDR UPS04243208](https://openairdocs.org/sdr/UPS04243208.md): Structure · cracked · Sep 8, 2004 · N938UP · Boeing 727173C · Wing Main, Frame Structure
  > INSPECTION TYPE: C, LOWER LEFT WING, FIXED WING STRUCTURE WHICH SECURES NR 3 FLAP TRACK FAIRING IS CRACKED ON BOTH I/B AND O/B SIDES. HFEC CARRIED OUT ON SUSPECT CRACKS IAW B727 NDTM 51-00-00 PT 6 FIG 4. CRACKS CONFIRMED ENDS MARKED. DAMAGED AREA REMOVES IA
- [SDR UPS04243206](https://openairdocs.org/sdr/UPS04243206.md): Panel · delaminated · Sep 8, 2004 · N938UP · Boeing 727173C · Wing, Plate/Skin
  > INSPECTION TYPE:C DELAM ON RT WING T/E PANEL LOWER SURFACE OF WING BELOW NR 13 SPOILER. REPAIRED DELAM ON PANEL IAW SRM 51-40-20.
- [SDR UPS04243175](https://openairdocs.org/sdr/UPS04243175.md): Panel · delaminated · Sep 8, 2004 · N938UP · Boeing 727173C · Fuselage Main, Plate/Skin
  > INSPECTION TYPE:C, PANEL NR 3512 LT REQUIRES COMPOSITE REPAIR. PANEL REPAIRED IAW SRM 51-40-9.

Next page: https://openairdocs.org/model/boeing-727-173c/reports.md?page=2

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT sdr_id, difficulty_date, n_number, aircraft_make, aircraft_model, part_name, part_condition, jasc_code, discrepancy
FROM 'https://openairdocs.org/data/latest/faa_service_difficulty_report.parquet'
WHERE aircraft_model_key = '727173C'
ORDER BY difficulty_date DESC
```

This list as a web page: https://openairdocs.org/model/boeing-727-173c/reports

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